* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #f8fafc;
  color: #0c4a6e;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  color: white;
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.header p {
  font-size: 1rem;
  opacity: 0.95;
}

.timeline-container {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  background: white;
  border-radius: 8px;
  margin-top: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.footer {
  background: #0c4a6e;
  color: #e0f2fe;
  padding: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.info h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #06b6d4;
}

.info ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.75rem;
}

.info li {
  font-size: 0.95rem;
  padding: 0.5rem;
}

@media (max-width: 768px) {
  .header h1 {
    font-size: 1.5rem;
  }

  .timeline-container {
    padding: 1rem;
  }

  .info ul {
    grid-template-columns: 1fr;
  }
}

.timeline-container > div {
  min-height: 500px;
}
